Alterra Power Announces Resignation of David O'Brien as a Director of the Company

05/23/2012

VANCOUVER, May 23, 2012 /CNW/ - Alterra Power Corp. (TSX: AXY) announces
the resignation of David O'Brien as a Director of the Company due to
his taking a new role with KPMG, the Company's auditors.

Alterra's Chairman, Ross Beaty, said, "David was a great Board member
and we will miss his experience and insight. We wish him all the best
in his new undertaking."

About Alterra Power Corp.

Alterra Power Corp. is a leading global renewable energy company. We
operate six power plants totaling 567 MW of capacity, including two
geothermal facilities in Iceland, a geothermal plant in Nevada, British
Columbia's largest run of river hydro facilities and the province's
largest wind farm. Our 298 MW share of production capacity generates
approximately 1,400 GWh of clean power annually. We have an extensive
portfolio of exploration and development projects, a skilled
international team of developers, explorers, builders and operators and
the financial capacity to support our growth plans.

Cautionary Note regarding Forward-Looking Statements and Information
This news release contains certain "forward-looking information" within
the meaning of Canadian securities laws, which may include, but is not
limited to, statements with respect to future events or future
performance, the fulfillment of all conditions precedent to the
obligation of the parties under the agreements, required consents and
third party approvals. This news release also contains statements with
respect to our plans to expand our operations, management's
expectations regarding our growth, business prospects and opportunities
and energy generation capacities. Such forward-looking information
reflects management's current beliefs and is based on information
currently available to management.

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